Calories is a large subject when it comes to weight loss. We need to learn three definitions: the number of calories in our food, the number of calories a certain physical action expends every sixty minutes, and last but not least our own personal daily limit of calories. The one method that really showed results for me was wu-yi tea, it can be viewed in the resource box below, they have a limited number of free trials remaining, it was featured in Fox News and USA Today. I melted away 30 pounds, it really does work!